Finding the Fourth Proportional to 4,128,578.86, 5,697,245 and 2,293,156.12
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Solution
The fourth proportional to 4,128,578.86, 5,697,245 and 2,293,156.12 is: 3,164,447.79
Step by Step Solution
- Step 1: Write the proportion equation
4,128,578.86 : 5,697,245 = 2,293,156.12 : x - Step 2: Convert to fraction form
4,128,578.86/5,697,245 = 2,293,156.12/x - Step 3: Cross multiply
4,128,578.86x = 5,697,245 × 2,293,156.12 - Step 4: Simplify right side
4,128,578.86x = 13,064,672,238,889.40 - Step 5: Solve for x
x = 13,064,672,238,889.40/4,128,578.86 - Step 6: Final answer
x = 3,164,447.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.